giants like alcoa, the challenge is retraining people already on the job to keep up with advances in technology. alcoa is one of the largest and oldest companies in america. it's been hiring skilled workers since 1888, and today has factories around the globe. at its aerospace plant in whitehall, michigan, 2,100 employees are working three shifts a day, seven days a week. german-born c.e.o. klaus kleinfeld says alcoa's competitive edge is innovation, backed up by a skilled workforce. they're producing parts that make jet engines 50% more fuel efficient. >> klaus kleinfeld: i would love to show you how the air flow goes inside. but that's part of probably the best-kept secret that this industry has. that's the innovation i'm talking about. >> pitts: and a person just can't walk off the street and put that together for you. >> kleinfeld: impossible. >> pitts: kari belanger came to alcoa with an engineering degree. the company trained her to program robots to do the work that, 50 years ago, was done by hand. alcoa also helped pay for rod coley to go back to school and get his engineering degree. h